Alert archive / Alaska / Gale Warnings in 2009

Gale Warning 367, NWS Anchorage, AK

April 27, 2009

NWS Anchorage, AK issued this gale warning at Apr 27, 2009, 4:00 AM AKDT. It was in force for 48 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 27, 2009, 4:00 AM AKDT (12:00 UTC)
Expired
Apr 29, 2009, 4:00 AM AKDT
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted, in the capitals the NWS used until 2016.

000 
FZAK62 PAFC 271145
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT MON APR 27 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-280200-
400 AM AKDT MON APR 27 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 1005 MB LOW AT 61N 173W WILL DISSIPATE NEAR 67N 173W MON 
AFTERNOON. A 986 MB LOW WILL MOVE NORTHEAST TO 53N 173E TUE 
AFTERNOON AND THEN BECOME NEARLY STATIONARY. 

$$

PKZ411-280200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT MON APR 27 2009

...GALE WARNING TONIGHT AND TUESDAY...

.TODAY...S WIND 20 KT BECOMING SE 30 KT IN THE AFTERNOON. SEAS 5 TO 
9 FT. 
.TONIGHT...SE WIND 25 TO 35 KT. SEAS 6 TO 12 FT. HIGHEST WINDS AND
SEAS S OF 56N. 
.TUE...E WIND 25 TO 35 KT. SEAS 7 TO 13 FT. HIGHEST WINDS AND SEAS S
OF 56N. RAIN AND SNOW. 
.TUE NIGHT AND WED...E WIND 25 KT. SEAS 12 FT. 
.THU...NE WIND 25 KT. SEAS 10 FT. 
.FRI...N WIND 20 KT. SEAS 8 FT.  

$$

PKZ412-280200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT MON APR 27 2009

.TODAY...NW WIND 20 KT BECOMING VARIABLE 10 KT IN THE AFTERNOON. 
SEAS 5 TO 9 FT. 
.TONIGHT...SE WIND 20 KT. SEAS 6 FT. 
.TUE...SE WIND 25 KT. SEAS 6 FT. 
.TUE NIGHT...SE WIND 30 KT. SEAS 9 FT. 
.WED THROUGH FRI...E WIND 25 KT. SEAS 9 FT. 

$$

PKZ413-280200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT MON APR 27 2009

...GALE WARNING TUESDAY...

.TODAY...N WIND 15 KT BECOMING SE IN THE AFTERNOON. SEAS 9 FT. 
.TONIGHT...SE WIND INCREASING TO 25 KT AFTER MIDNIGHT. SEAS 7 FT. 
.TUE...SE WIND 20 TO 35 KT. SEAS 6 TO 11 FT. HIGHEST WINDS AND SEAS
W. RAIN AND SNOW.
.TUE NIGHT...SE WIND 30 KT. SEAS 11 FT. 
.WED...SE WIND 25 KT. SEAS 11 FT. 
.THU...E WIND 25 KT. SEAS 9 FT. 
.FRI...NE WIND 20 KT. SEAS 8 FT.  

$$

PKZ414-280200-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT MON APR 27 2009

.TODAY...S WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT. 
.TONIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. 
.TUE...SE WIND 15 KT...EXCEPT SE 25 KT E OF 166W. SEAS IN ICE FREE
WATERS 5 FT. 
.TUE NIGHT...SE WIND 15 TO 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.WED AND THU...SE WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT. 
.FRI...E WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT.  

$$
4 follow-up statements
000 
FZAK62 PAFC 272304
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT MON APR 27 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-281400-
400 PM AKDT MON APR 27 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 982 MB LOW NEAR 50N 164E WILL MOVE TO 52N 174E TUE AFTERNOON 
AND THEN REMAIN NEARLY STATIONARY THROUGH WED. A FRONT WILL 
REMAIN NEARLY STATIONARY OVER THE FAR EASTERN BERING THROUGH 
TUE AND THEN MOVE TO THE CENTRAL BERING WED.

$$

PKZ411-281400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT MON APR 27 2009

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...SE WIND 25 TO 35 KT. SEAS 8 TO 13 FT. STRONGEST WINDS AND
HIGHEST SEAS SOUTH OF 56N. 
.TUE...E WIND 25 TO 35 KT. SEAS 8 TO 13 FT. RAIN. STRONGEST WINDS AND
HIGHEST SEAS SOUTH OF 56N.
.TUE NIGHT...E WIND 30 KT. SEAS 12 FT. RAIN AND SNOW. 
.WED...E WIND 30 KT. SEAS 11 FT. 
.WED NIGHT...NE WIND 25 KT. SEAS 11 FT. 
.THU...N WIND 20 KT. SEAS 9 FT. 
.FRI...N WIND 20 KT. SEAS 7 FT. 
.SAT...NE WIND 25 KT. SEAS 10 FT.  

$$

PKZ412-281400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT MON APR 27 2009

.TONIGHT...SE WIND INCREASING TO 20 KT. SEAS 6 FT. 
.TUE...SE WIND 25 KT. SEAS 6 FT. 
.TUE NIGHT...SE WIND 30 KT. SEAS 9 FT. 
.WED...E WIND 30 KT. SEAS 10 FT. 
.WED NIGHT...E WIND 25 KT. SEAS 10 FT. 
.THU THROUGH FRI...E WIND 30 KT. SEAS 11 FT. 
.SAT...NE WIND 25 KT. SEAS 11 FT.  

$$

PKZ413-281400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT MON APR 27 2009

...GALE WARNING TUESDAY...

.TONIGHT...SE WIND INCREASING TO 25 KT. SEAS 7 FT. 
.TUE...SE WIND 35 KT. SEAS 10 FT. 
.TUE NIGHT...SE WIND 30 KT. SEAS 11 FT. PATCHY FOG. RAIN AND SNOW. 
.WED...SE WIND 25 KT. SEAS 11 FT. 
.WED NIGHT...E WIND 25 KT. SEAS 10 FT. 
.THU THROUGH SAT...NE WIND 25 KT. SEAS 10 FT.  

$$

PKZ414-281400-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT MON APR 27 2009

.TONIGHT...S WIND 10 KT BECOMING E WIND 15 KT. SEAS IN ICE FREE
WATERS 6 FT. 
.TUE...SE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE NIGHT...SE WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.WED...E WIND 35 KT. SEAS IN ICE FREE WATERS 7 FT. 
.WED NIGHT...SE WIND 40 KT. SEAS IN ICE FREE WATERS 11 FT. 
.THU THROUGH FRI...E WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT. 
.SAT...E WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT.  

$$
000 
FZAK62 PAFC 281155
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT TUE APR 28 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-290200-
400 AM AKDT TUE APR 28 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 980 MB LOW NEAR 52N 171E WILL BECOME A 985 MB LOW NEAR 51N 180 WED
NIGHT. THE WEATHER FRONT OVER THE WESTERN ALEUTIANS WILL EXTEND
ACROSS THE WHOLE OF THE SOUTHERN BERING SEA BY THU MORNING. 

$$

PKZ411-290200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT TUE APR 28 2009

...GALE WARNING TODAY...

.TODAY...E WIND 25 TO 35 KT. SEAS 5 TO 12 FT. HIGHEST WINDS AND SEAS
S. RAIN AND SNOW. 
.TONIGHT...E WIND 30 KT. SEAS 12 FT. RAIN AND SNOW. 
.WED...NE TO SE WIND 20 TO 30 KT. SEAS 11 FT. RAIN AND SNOW. 
.WED NIGHT...NE WIND 25 KT. SEAS 11 FT. 
.THU...N WIND 20 KT. SEAS 9 FT. 
.FRI...N WIND 20 KT. SEAS 7 FT. 
.SAT...NE WIND 25 KT. SEAS 9 FT.  

$$

PKZ412-290200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT TUE APR 28 2009

.TODAY...SE WIND 20 KT. SEAS 6 FT. 
.TONIGHT...SE WIND 20 TO 30 KT. SEAS 4 TO 10 FT. HIGHEST WINDS AND
SEAS S AND W. RAIN AND SNOW.
.WED...E WIND 20 TO 30 KT. SEAS 5 TO 12 FT. HIGHEST WINDS AND SEAS S
AND W. RAIN AND SNOW.
.WED NIGHT THROUGH SAT...E WIND 25 KT. SEAS 9 FT. 

$$

PKZ413-290200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT TUE APR 28 2009

...GALE WARNING TONIGHT...

.TODAY...SE WIND 20 TO 30 KT. SEAS 4 TO 10 FT. HIGHEST WINDS AND 
SEAS W. RAIN AND SNOW.
.TONIGHT...SE WIND 25 TO 35 KT. SEAS 7 TO 13 FT. RAIN AND SNOW. 
.WED...SE WIND 20 TO 30 KT. SEAS 7 TO 13 FT. RAIN AND SNOW. 
.WED NIGHT...E WIND 25 KT. SEAS 9 FT. 
.THU THROUGH FRI...NE WIND 25 KT. SEAS 9 FT. 

$$

PKZ414-290200-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT TUE APR 28 2009

...GALE WARNING WEDNESDAY...

.TODAY...S WIND 15 KT...EXCEPT SE WIND 30 KT E OF 165W. SEAS IN ICE
FREE WATERS 3 TO 6 FT. 
.TONIGHT...SE WIND 15 TO 25 KT. SEAS IN ICE FREE WATERS 3 TO 6 FT. 
.WED...E WIND 20 TO 35 KT....STRONGEST E OF 166W. SEAS IN ICE FREE
WATERS 4 TO 9 FT. RAIN AND SNOW.
.WED NIGHT...SE WIND 35 KT. SEAS IN ICE FREE WATERS 9 FT. 
.THU...E WIND 40 KT. SEAS IN ICE FREE WATERS 11 FT. 
.FRI...E WIND 35 KT. SEAS IN ICE FREE WATERS 10 FT. 
.SAT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.  

$$
000 
FZAK62 PAFC 282311
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT TUE APR 28 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-291400-
400 PM AKDT TUE APR 28 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 984 MB LOW NEAR 51N 174E REMAINS STATIONARY THROUGH WED AFTERNOON
AND THEN MOVES TO 49N 174W THU AFTERNOON. A 1002 MB LOW NEAR 48N 
157W MOVES TO 55N 166W WED MORNING AND DISSIPATES WED AFTERNOON. A
987 MB LOW FORMS THU MORNING NEAR 52N 168W.

$$

PKZ411-291400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT TUE APR 28 2009

.TONIGHT...E WIND 25 KT. SEAS 12 FT. RAIN AND SNOW. 
.WED...E WIND 25 KT. SEAS 12 FT. RAIN AND SNOW. 
.WED NIGHT...NE WIND 25 KT. SEAS 12 FT. RAIN AND SNOW. 
.THU...N WIND 25 KT. SEAS 9 FT. 
.THU NIGHT...N WIND 25 KT. SEAS 7 FT. 
.FRI...N WIND 20 KT. SEAS 7 FT. 
.SAT...NE WIND 25 KT. SEAS 8 FT.
.SUN...N WIND 20 KT. SEAS 7 FT.  

$$

PKZ412-291400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT TUE APR 28 2009

.TONIGHT...E WIND 25 KT. SEAS BUILDING TO 9 FT. 
.WED...E WIND 30 KT. SEAS 11 FT. 
.WED NIGHT THROUGH THU...E WIND 20 KT. SEAS 9 FT. 
.THU NIGHT...NE WIND 25 KT. SEAS 9 FT. 
.FRI...E WIND 30 KT. SEAS 9 FT. 
.SAT...NE WIND 25 KT. SEAS 9 FT.
.SUN...NE WIND 20 KT. SEAS 6 FT.  

$$

PKZ413-291400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT TUE APR 28 2009

...GALE WARNING TONIGHT...

.TONIGHT...SE WIND INCREASING TO 35 KT. SEAS BUILDING TO 12 FT. RAIN.

.WED...SE WIND 30 KT DIMINISHING TO 20 KT IN THE AFTERNOON. SEAS
12 FT. RAIN. 
.WED NIGHT...E WIND 25 KT. SEAS 9 FT. RAIN.
.THU...NE WIND 25 KT. SEAS 9 FT. 
.THU NIGHT THROUGH SUN...NE WIND 20 KT. SEAS 9 FT. 

$$

PKZ414-291400-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT TUE APR 28 2009

.TONIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. 
.WED...E WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT. 
.WED NIGHT...SE WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT. RAIN.
.THU THROUGH FRI...E WIND 35 KT. SEAS IN ICE FREE WATERS 10 FT. 
.SAT...E WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT. 
.SUN...NE WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT.  

$$
000 
FZAK62 PAFC 291150
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT WED APR 29 2009

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-300200-
400 AM AKDT WED APR 29 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A 986 MB LOW NEAR 52N 178E WILL DISSIPATE NEAR 49N 175W THU
AFTERNOON. A 999 MB LOW NEAR 53N 162W WILL DISSIPATE NEAR 54N 167W
WED AFTERNOON. A 990 MB LOW NEAR 50N 167W THU MORNING WILL
STRENGTHEN TO 983 MB NEAR 52N 172W THU NIGHT. 

$$

PKZ411-300200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT WED APR 29 2009

.TODAY...E TO NE WIND 20 TO 30 KT. SEAS 8 TO 11 FT. RAIN AND SNOW. 
.TONIGHT...E TO NE WIND 15 TO 30 KT. SEAS 8 TO 11 FT. RAIN AND SNOW. 
.THU...NE WIND 15 TO 25 KT. SEAS 7 TO 10 FT. RAIN AND SNOW. 
.THU NIGHT...N WIND 25 KT. SEAS 9 FT. 
.FRI THROUGH SUN...N WIND 20 KT. SEAS 8 FT. 

$$

PKZ412-300200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT WED APR 29 2009

.TODAY...E WIND 15 TO 30 KT. SEAS 4 TO 10 FT. HIGHEST WINDS AND SEAS
W. RAIN AND SNOW.
.TONIGHT...E WIND 15 TO 25 KT. SEAS 6 TO 10 FT. RAIN AND SNOW.
.THU...E WIND 25 KT. SEAS 7 TO 10 FT. RAIN AND SNOW. 
.THU NIGHT...NE WIND 25 KT. SEAS 9 FT. 
.FRI...E WIND 25 KT. SEAS 10 FT. 
.SAT...NE WIND 25 KT. SEAS 10 FT. 
.SUN...N WIND 25 KT. SEAS 9 FT.  

$$

PKZ413-300200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT WED APR 29 2009

.TODAY...SE WIND 20 TO 30 KT. SEAS 5 TO 10 FT. RAIN AND SNOW. 
.TONIGHT...SE WIND 15 TO 25 KT. SEAS 7 TO 10 FT. RAIN.
.THU...E WIND 15 TO 25 KT. SEAS 7 TO 10 FT. RAIN AND SNOW. 
.THU NIGHT THROUGH SUN...NE WIND 25 KT. SEAS 9 FT. 

$$

PKZ414-300200-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT WED APR 29 2009

...GALE WARNING TODAY AND THURSDAY...

.TODAY...E OF 167W...SE WIND 35 KT. W OF 167W...E WIND 15 KT 
BECOMING S IN THE AFTERNOON. SEAS IN ICE FREE WATERS 4 TO 7 FT.
PATCHY FOG. RAIN AND SNOW. 
.TONIGHT...SE WIND 15 TO 25 KT. SEAS IN ICE FREE WATERS 5 TO 8 FT.
PATCHY FOG. 
.THU...E WIND 25 TO 35 KT. SEAS IN ICE FREE WATERS 7 TO 10 FT. 
PATCHY FOG. RAIN AND SNOW. 
.THU NIGHT...E WIND 35 KT. SEAS IN ICE FREE WATERS 10 FT. 
.FRI...E WIND 35 KT. SEAS IN ICE FREE WATERS 12 FT. 
.SAT...NE WIND 30 KT. SEAS IN ICE FREE WATERS 11 FT. 
.SUN...N WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT.  

$$

What forecasters said that day

The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this gale warning went out at Apr 27, 3:50 AM AKDT, 10 minutes earlier.

Area forecast discussion, Apr 27, 3:50 AM AKDT, 10 minutes before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
350 AM AKDT MON APR 27 2009

.MODEL DISCUSSION...

THE GFS IS THE ONCE AGAIN THE PREFERRED MODEL IN THE SHORT
TERM...WITH THE NAM USED OVER LAND AREAS IN THE IMMEDIATE SHORT TERM
WHERE ITS ENHANCED SPATIAL RESOLUTION WAS BENEFICIAL IN GENERATING
GRIDS.

.ANALYSIS AND UPPER LEVELS...

SURFACE HIGH PRESSURE RIDGING FROM THE GULF OF ALASKA NORTHWARD ALONG
THE ALCAN BORDER AREA CONTINUES.  MEANWHILE...WEAKENING LOW PRESSURE
IN THE NORTHERN BERING SEA ASSOCIATED WITH A MID-LEVEL TROUGH IS
BRINGING MOSTLY CLOUDS TO THE EASTERN ALEUTIANS.  IN BETWEEN THE LOW
PRESSURE SYSTEM AND THE HIGH PRESSURE RIDGE OVER THE GULF OF
ALASKA...STRONG SOUTHERLY FLOW IS PUMPING LOTS OF MOISTURE OVER THE
ALASKA PENINSULA...BRISTOL BAY...AND INTO THE KUSKOKWIM VALLEY.  THIS
REGION IS ALSO IN THE FAVORABLE RIGHT ENTRANCE REGION OF A 300-MB
LEVEL JET STREAK...AND A STATIONARY FRONT CONTINUES TO RESIDE
UNDERNEATH THIS FEATURE AT THIS SURFACE...PROVIDING A FOCUS FOR
WIDESPREAD PRECIPITATION.  ELSEWHERE...WEAK RIDGING IS LOCATED OVER
THE WESTERN ALEUTIANS AND SOUTHWESTERN BERING SEA.

.SHORT TERM FORECAST...

SOUTH AND EAST OF THE ALASKA RANGE...

HIGH PRESSURE BUILDS FROM THE SOUTH AND EAST OVER SOUTHCENTRAL TODAY.
THIS WILL RESULT IN DIMINISHING THE PRESSURE GRADIENT THROUGH
TURNAGAIN ARM...AND THUS EXPECT TO SEE CONTINUED SLACKENING OF THE
WINDS.  SOUTHERLY FLOW TODAY WILL RESULT IN PRECIPITATION CONTINUING
MOSTLY OVER THE HIGHER ELEVATIONS...WITH JUST ISOLATED SHOWERS IN THE
LOWER ELEVATIONS.  OTHERWISE...AS A STRONG LOW PRESSURE SYSTEM
APPROACHES THE WESTERN ALEUTIANS TONIGHT AND HIGH PRESSURE BUILDS
OVER THE REGION...EXPECT MOSTLY TRANQUIL WEATHER ACROSS THE
REGION...THOUGH THE POSSIBILITY OF FOG AND/OR LOW STRATUS WILL BE
MENTIONED OVER THE COPPER RIVER BASIN...PRINCE WILLIAM SOUND...AND
PARTS OF COOK INLET REGION UNDERNEATH A NOCTURNAL SUBSIDENCE
INVERSION NEAR THE SURFACE AND WITH MOISTURE ADVECTION FROM THE GULF
WATERS.  WITH TEMPERATURES WARMING UP APPRECIABLY UNDER SUNNY SKIES
DURING THE AFTERNOON HOURS FOR THE NEXT FEW DAYS...WILL NEED TO
MONITOR WINDS ALONG COASTAL LOCATIONS FOR SEA BREEZES.
OTHERWISE...EXPECT MOSTLY DRY AND CLEAR WEATHER CONDITIONS THROUGH
WEDNESDAY NIGHT.

WEST OF THE ALASKA/ALEUTIAN RANGES...

THE BIG ISSUE THROUGH WEDNESDAY NIGHT IS FIGURING OUT WHERE EXACTLY
THE MOISTURE PLUME SETS UP.  FOR TODAY...EXPECT TO SEE RAINFALL
CONTINUING WITH HEAVIEST PRECIPITATION FALLING FROM THE CENTRAL
ALASKA PENINSULA NORTHWARD THROUGH THE KUSKOKWIM VALLEY UP TOWARDS
MCGRATH.  AS THE RIDGE BUILDS TOWARDS THE WEST AND STRENGTHENS
TOWARDS WEDNESDAY NIGHT...AN UPPER TROUGH APPROACHING THE WESTERN
ALEUTIANS TODAY BEGINS DIGGING TO THE SOUTH OF THE ALEUTIAN CHAIN
THIS EVENING. THUS...THE STRONG SOUTHERLY FLOW WILL BACK TO
SOUTHEASTERLY AND DIRECT THE HEAVIEST PRECIPITATION FROM OVER THE
ALASKA PENINSULA NORTHWARD ACROSS BRISTOL BAY AND OVER THE KUSKOKWIM
DELTA REGION BEGINNING TODAY.  THIS REGION OF HEAVIEST PRECIPITATION
WILL THEN GRADUALLY SHIFT WESTWARD TO MOSTLY OVER THE BERING SEA AND
EASTERN ALEUTIANS AS WE HEAD TOWARDS WEDNESDAY NIGHT.

BERING SEA AND THE ALEUTIAN CHAIN...THE AFOREMENTIONED NEXT SYSTEM TO
AFFECT THE REGION WILL ENTER THE WESTERN ALEUTIANS THIS AFTERNOON AND
THEN OVERTAKE THE CENTRAL ALEUTIANS TUESDAY AFTERNOON WITH UNSETTLED
WEATHER.  THE GFS AND ECMWF MODELS FORECAST A POTENTIALLY POTENT
SHORTWAVE WITH ASSOCIATED SURFACE LOW MOVING ALONG IN THE
SOUTHEASTERLY FLOW ACROSS THE EASTERN ALEUTIANS OR SOUTHERN AKPEN
INTO THE BERING SEA LATE TUESDAY NIGHT OR EARLY WEDNESDAY...BUT THIS
STILL BEARS WATCHING TO FIGURE OUT HOW EXACTLY THE FLOW ORIENTS
ITSELF GIVEN RELATIVELY POOR CONSISTENCY OF THE STRENGTH AND
ORIENTATION OF THE TROUGH OVER THE WESTER BERING/ALEUTIANS.  IF IT
VERIFIES...HOWEVER...THERE COULD BE HEAVIER PRECIPITATION WITH GALE
FORCE WINDS ACROSS THE ALASKA PENINSULA AND BRISTOL BAY LATE TUESDAY
NIGHT INTO WEDNESDAY.

.LONG TERM FORECAST...

HIGH PRESSURE WILL LIKELY STILL BE IN CONTROL OF THE NORTHERN AND
EASTERN PART OF THE REGION FROM THURSDAY THROUGH THE WEEKEND.  A
LARGE LOW PRESSURE SYSTEM WILL TAKE CONTROL OF THE SOUTHWESTERN GULF
OF ALASKA...THE NORTH PACIFIC OCEAN...AND THE ALEUTIAN CHAIN
BEGINNING FRIDAY.  THIS WILL LIKELY MEAN SOUTHEASTERLY FLOW IS LIKELY
ACROSS MOST OF THE SOUTHWEST ALASKA MAINLAND...WITH THE BEST CHANCES
OF UNSETTLED WEATHER FROM THERE DOWN THROUGH THE ALEUTIANS.  MOSTLY
FAIR WEATHER WITH SURFACE HIGH PRESSURE IN THE VICINITY LOOKS
POSSIBLE FROM THURSDAY THROUGH MONDAY FOR MOST OF THE EASTERN DOMAIN.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE...172 175 176
FIRE WEATHER...NONE.

CC APR 09

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 4:00 PM AKDTGale WarningAFC48 hr
Apr 26, 4:00 PM AKDTSmall Craft AdvisoryAFC12 hr
Apr 27, 4:00 AM AKDTBrisk Wind AdvisoryAFC24 hr
Apr 27, 4:00 AM AKDTGale WarningAFC48 hr
Apr 27, 4:00 AM AKDTSmall Craft AdvisoryAFC24 hr

Nearby

Gale Warnings in Alaska, 2009Every gale warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.